Prosecution Insights
Last updated: October 26, 2026

Norman Yu, USPTO Patent Examiner

Listed by the USPTO as YU, NORMAN

Tech Center 2600 • Art Units: 2652 2693

This examiner grants 88% of resolved cases

Analysis

YU, NORMAN is assigned to Tech Center 2600 and Art Unit 2652. The profile records 632 resolved cases and an 87.5% allowance rate. Interviews are associated with a 14.0% lift in allowance outcomes. The median time to allowance is 717 days.

The listed companies are Samsung Electronics Co., Ltd., Sony Group Corporation, and Huawei Technologies Co., Ltd. The listed firms are ALG Intellectual Property, LLC, F. CHAU & ASSOCIATES, LLC, and FENWICK & WEST LLP. The data supports a focused prosecution plan built around clear claim scope and selective interviews where discussion can narrow a defined issue.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

87.5%
Allow Rate
+25.5% vs TC avg
660
Total Applications
+14.0%
Interview Lift
717
Avg Prosecution Days
Based on 632 resolved cases, 2023–2026

Rejection Statute Breakdown

2.8%
§101 Eligibility
15.1%
§102 Novelty
58.1%
§103 Obviousness
12.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18825652 LOW FREQUENCY RESONATOR AND PRESSURE RELIEF STRUCTURE FOR HEADPHONES Final Rejection Sony Interactive Entertainment Inc.
18989925 EARPHONE ASSEMBLY Non-Final OA Huawei Technologies Co., Ltd.
18470800 ADAPTIVE AUDIO SYSTEM FOR OCCUPANT AWARE VEHICLES Non-Final OA QUALCOMM Incorporated

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Frequently Asked Questions

What is examiner Norman Yu's allowance rate?

87.5% of resolved applications examined by Norman Yu were allowed (632 resolved cases), compared with 65.6% across Art Unit 2652 over the last five years.

Does an interview help with examiner Norman Yu?

This examiner's interview lift is +14.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Norman Yu take to allow a patent?

Applications allowed by Norman Yu took 717 days on average from filing to allowance.

Which art unit does examiner Norman Yu work in?

Norman Yu examines applications in Art Unit 2652 in Tech Center 2600 (Communications).

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